Thetford Aqua Kem Blue Concentrated – 780 ml Toilet Chemical for Cassette & Portable Toilets

Keep your RV or caravan toilet fresh with Thetford Aqua Kem Blue Concentrated. The compact 780 ml bottle delivers powerful odour control, reduces gas build-up, and liquefies waste for easier tank emptying—perfect for cassettes and portable toilets on the road.

Key Features & Specifications:

• Compact, powerful bottle: 780 ml “Blue Concentrated” delivers the same performance as larger bottles in a space-saving size. 

• 2.5× concentrated: Smaller bottle, same number of doses as the old 2 L Aqua Kem Blue; up to 13 doses / 65 days per bottle. 

• Easy dosing: Add 60 ml per 20 L of tank capacity with 2–3 L water; each dose lasts up to 5 days. 

• Odour & gas control: Neutralises smells and reduces gas build-up while liquefying waste for faster, cleaner emptying. 

• Cassette & portable compatible: Designed specifically for RV waste-holding tanks. 

• Fragrance options: Available in Eucalyptus and Lavender variants (780 ml).